$\mathbf{a})$

$v=123600000\frac{\mathrm{m}}{\mathrm{s}}=1,236\cdot 100000000\frac{\mathrm{m}}{\mathrm{s}}=1,236\cdot 10^8\frac{\mathrm{m}}{\mathrm{s}}$

$\mathbf{b})$

$m=5972000000000000000000000\mathrm{kg}=5,972\cdot 1000000000000000000000000\mathrm{kg}=$

$=5,972\cdot 10^{24}\mathrm{kg}$

$\mathbf{c})$

$d=384400000\mathrm{m}=3,844\cdot 100000000\mathrm{m}=3,844\cdot 10^8\mathrm{m}$

$\mathbf{d})$

${\epsilon }_0=0,00000000000885\frac{{\mathrm{C}}^2}{\mathrm{N}\cdot {\mathrm{m}}^2}=8,85\cdot 0,000000000001\frac{{\mathrm{C}}^2}{\mathrm{N}\cdot {\mathrm{m}}^2}=8,85\cdot 10^{-12}\frac{{\mathrm{C}}^2}{\mathrm{N}\cdot {\mathrm{m}}^2}$

$\mathbf{e})$

$d=0,0000007\mathrm{m}=7\cdot 0,0000001\mathrm{m}=7\cdot 10^{-7}\mathrm{m}$